Split up IR header onto separate tables

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/CompilerOutput.kt

@@ -106,9 +106,7 @@ internal fun produceOutput(context: Context) {
                 context.config.includeBinaries,
                 neededLibraries,
                 context.serializedMetadata!!,
-                // During serializer and library commonizations we've got duplicate SerializedIr in
+                context.serializedIr!!,
-                // two different packages. TODO: Eliminate them eventually.
-                SerializedIr(context.serializedIr!!.module, context.serializedIr!!.combinedDeclarationFilePath),
                 versions,
                 target,
                 output,

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanIrlinker.kt

@@ -42,6 +42,15 @@ class KonanIrLinker(
     override fun reader(moduleDescriptor: ModuleDescriptor, uniqId: UniqId) =
         moduleDescriptor.konanLibrary!!.irDeclaration(uniqId.index, uniqId.isLocal)
 
+    override fun readSymbol(moduleDescriptor: ModuleDescriptor, symbolIndex: Int) =
+            moduleDescriptor.konanLibrary!!.symbol(symbolIndex)
+
+    override fun readType(moduleDescriptor: ModuleDescriptor, typeIndex: Int) =
+            moduleDescriptor.konanLibrary!!.type(typeIndex)
+
+    override fun readString(moduleDescriptor: ModuleDescriptor, stringIndex: Int) =
+            moduleDescriptor.konanLibrary!!.string(stringIndex)
+
     override val ModuleDescriptor.irHeader get() = this.konanLibrary!!.irHeader
 
     val modules: Map<String, IrModuleFragment> get() = mutableMapOf<String, IrModuleFragment>().apply {